distro: refactor into multiple files, packages: factor out distro.Pkgbuild class

distro/distro.py

@@ -0,0 +1,64 @@
+from constants import ARCHES, BASE_DISTROS, REPOSITORIES, KUPFER_HTTPS, CHROOT_PATHS
+from generator import generate_pacman_conf_body
+from config import config
+
+from .package import PackageInfo
+from .repo import RepoInfo, Repo
+
+
+class Distro:
+    repos: dict[str, Repo]
+    arch: str
+
+    def __init__(self, arch: str, repo_infos: dict[str, RepoInfo], scan=False):
+        assert (arch in ARCHES)
+        self.arch = arch
+        self.repos = dict[str, Repo]()
+        for repo_name, repo_info in repo_infos.items():
+            self.repos[repo_name] = Repo(
+                name=repo_name,
+                arch=arch,
+                url_template=repo_info.url_template,
+                options=repo_info.options,
+                scan=scan,
+            )
+
+    def get_packages(self):
+        """ get packages from all repos, semantically overlaying them"""
+        results = dict[str, PackageInfo]()
+        for repo in self.repos.values().reverse():
+            assert (repo.packages is not None)
+            for package in repo.packages:
+                results[package.name] = package
+
+    def repos_config_snippet(self, extra_repos: dict[str, RepoInfo] = {}) -> str:
+        extras = [Repo(name, url_template=info.url_template, arch=self.arch, options=info.options, scan=False) for name, info in extra_repos.items()]
+        return '\n\n'.join(repo.config_snippet() for repo in (list(self.repos.values()) + extras))
+
+    def get_pacman_conf(self, extra_repos: dict[str, RepoInfo] = {}, check_space: bool = True):
+        body = generate_pacman_conf_body(self.arch, check_space=check_space)
+        return body + self.repos_config_snippet(extra_repos)
+
+
+def get_base_distro(arch: str) -> Distro:
+    repos = {name: RepoInfo(url_template=url) for name, url in BASE_DISTROS[arch]['repos'].items()}
+    return Distro(arch=arch, repo_infos=repos, scan=False)
+
+
+def get_kupfer(arch: str, url_template: str) -> Distro:
+    repos = {name: RepoInfo(url_template=url_template, options={'SigLevel': 'Never'}) for name in REPOSITORIES}
+    return Distro(
+        arch=arch,
+        repo_infos=repos,
+    )
+
+
+def get_kupfer_https(arch: str) -> Distro:
+    return get_kupfer(arch, KUPFER_HTTPS)
+
+
+def get_kupfer_local(arch: str = None, in_chroot: bool = True) -> Distro:
+    if not arch:
+        arch = config.runtime['arch']
+    dir = CHROOT_PATHS['packages'] if in_chroot else config.get_path('packages')
+    return get_kupfer(arch, f"file://{dir}/$arch/$repo")